mutating func decodeIfPresent<T>(_: T.Type, configuration: T.DecodingConfiguration) throws -> T? where T : DecodableWithConfiguration ss24UnkeyedDecodingContainerP20FoundationEssentialsE15decodeIfPresent_13configurationqd__Sgqd__m_0B13ConfigurationQyd__tKAC013DecodableWithJ0Rd__lF What are these?24W7Zimport Swiftimport FoundationEssentialsprotocol UnkeyedDecodingContainerA type that provides a view into a decoder’s storage and is used to hold the encoded properties of a decodable type sequentially, without keys.
associatedtype DecodingConfigurationprotocol DecodableWithConfigurationmutating func decode<T>(_: T.Type, configuration: T.DecodingConfiguration) throws -> T where T : DecodableWithConfiguration mutating func decode<T, C>(_: T.Type, configuration: C.Type) throws -> T where T : DecodableWithConfiguration, C : DecodingConfigurationProviding, T.DecodingConfiguration == C.DecodingConfiguration mutating func decodeIfPresent<T, C>(_: T.Type, configuration: C.Type) throws -> T? where T : DecodableWithConfiguration, C : DecodingConfigurationProviding, T.DecodingConfiguration == C.DecodingConfiguration